Home / 942,802.20-1,297,780.92-821,733.12

Finding the Fourth Proportional to 942,802.20, 1,297,780.92 and 821,733.12

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Solution

The fourth proportional to 942,802.20, 1,297,780.92 and 821,733.12 is: 1,131,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,802.20 : 1,297,780.92 = 821,733.12 : x
  2. Step 2: Convert to fraction form
    942,802.20/1,297,780.92 = 821,733.12/x
  3. Step 3: Cross multiply
    942,802.20x = 1,297,780.92 × 821,733.12
  4. Step 4: Simplify right side
    942,802.20x = 1,066,429,564,468.07
  5. Step 5: Solve for x
    x = 1,066,429,564,468.07/942,802.20
  6. Step 6: Final answer
    x = 1,131,127.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.